1. Radon concentration variability and microclimate controls in two Slovene show cavesStanka Šebela, Miloš Briestenský, Uroš Novak, 2026, izvirni znanstveni članek Povzetek: The study presents 8-years long dataset (2017–2025) of high-resolution radon concentration measurements in Županova Jama and 2-years long dataset (2022–2024) in Postojnska Jama. Radon concentrations from two show caves were compared with outside and cave air temperature as well as atmospheric pressure to assess diurnal and seasonal variability. Županova Jama showed consistently higher radon levels with a 2023 mean of 4030 Bq/m³, compared to 2278 Bq/m³ in Postojnska Jama. Diurnal variations occurred in both caves, with night values typically higher in Županova Jama, while Postojnska Jama displayed day and night concentrations more balanced depending on ventilation regimes. In Postojnska Jama, summer radon maxima followed outside air temperature peaks with a 12–18 h lag. Seasonally, both caves showed higher radon concentrations in summer and lower in winter. Long-term monitoring near Županova Jama revealed an increase in mean outside air temperature (+0.86 °C from 2018 to 2024) and a parallel rise in radon, particularly in 2023–2024. The influence of atmospheric pressure was found to be seasonally dependent at both sites, with higher radon concentrations during periods of stable summer pressure and lower values during higher winter oscillations. Exposure limits indicate safe annual times of 512 h for Postojnska Jama and 284–289 h for Županova Jama, values not hazardous for visitors but important for cave guides. The findings underline the importance of continuous monitoring and cave-specific ventilation management to mitigate long-term health risks.
Ključne besede: radon concentration, air temperature, atmospheric pressure, radiation exposure levels, Postojnska
jama, Županova Jama, Slovenia
Objavljeno v DiRROS: 24.05.2026; Ogledov: 183; Prenosov: 209
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2. From current to next-generation NFOs: first-year achievements and strategic goals of the TRANSFORM² Horizon Europe ProjectElias Panagiotis, John F. Clinton, Simona Colombelli, Mariano Supino, Alexandru Marmureanu, Dimitris Paronis, George Kaviris, Efthimios Sokos, Vassilis Karastathis, Pascal Bernard, Stanka Šebela, 2026, objavljeni povzetek znanstvenega prispevka na konferenci Objavljeno v DiRROS: 26.03.2026; Ogledov: 205; Prenosov: 123
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3. Central Europe tectonic hiatus 2015–2019Miloš Briestenský, Stanka Šebela, Petar Stefanov, Uroš Novak, 2026, izvirni znanstveni članek Povzetek: Long-term extensometric monitoring across Central Europe reveals a pronounced tectonic hiatus between 2015 and 2019. Using high-resolution data from the EU TecNet network of optical – mechanical TM-71 and TM-72 extensometers installed along major fault zones, we document a widespread attenuation or cessation of fault-related micro-displacements that coincided with a marked decrease in regional seismicity. The hiatus was most prominent in the Western Carpathians, where fault movements were arrested at nearly half of the monitored sites, preferentially affecting major NNE – SSW-striking fault systems that represent the principal structural grain of the region. Despite the overall quiescence, extensional fault opening developed at several sites since 2015, followed by significant vertical subsidence recorded across much of the Western Carpathians in 2018. Similar patterns of tectonic quiescence were observed in the Bohemian Massif, Slovenia, and Bulgaria, indicating that the phenomenon extended over large parts of Central and Southeastern Europe. The temporal evolution of deformation and its correspondence with seismicity suggest that the 2015–2019 hiatus reflects a transient regional-scale reorganisation of the stress field, likely linked to variations in plate-boundary forcing, rather than a response to climatic effects or local processes.
Ključne besede: faulty activity, extensometric monitoring, seismic quiescence, Central Europe, adriatic microplatee
Objavljeno v DiRROS: 23.03.2026; Ogledov: 325; Prenosov: 354
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4. Integrated multi-scale ecohydrogeological monitoring of spatio-temporal dynamics in karst critical zonesNataša Ravbar, Metka Petrič, Mitja Ferlan, Uroš Novak, Janez Kermavnar, Lado Kutnar, Aleksander Marinšek, Daniel Žlindra, Blaž Kogovšek, Erika Kozamernik, Cyril Mayaud, David Štefanič, Sara Skok, Janez Mulec, Stanka Šebela, Urša Vilhar, 2026, drugi znanstveni članki Povzetek: Contemporary environmental concerns highlight the vulnerability of karst environments to changing hydrometeorological patterns and vegetation disturbance, necessitating a unified, interdisciplinary strategy for comprehensive understanding. This paper critically examines the current state of research. To overcome the identified gaps, it presents an integrated multi-scale ecohydrogeological monitoring approach tailored to karst critical zones (KCZ) and its spatio-temporal variability. Forested karst aquifer in Slovenia is used as a case study to demonstrate and assess the strengths and limitations of the proposed monitoring framework. To decipher flow dynamics and propose customized data collection strategies the approach combines surface and underground sites and employs advanced methods adapted to the challenges of karst environments. The results highlight the benefits and advancements of monitoring and sampling approaches to ensure representativeness in heterogeneous environments. The focus is on the use of enhanced precipitation monitoring systems to expand sampling areas nearly fivefold and improve precipitation and throughfall measurements. Additionally, customized lysimeter techniques for karst soils and microscale adaptations for cave exploration have been developed, addressing the challenges of instrument placement in environments with significant variability. Further opportunities lie in improving instrument protection, integrating sensor networks, combining remote sensing and scaling from plot to aquifer level. However, challenges remain in achieving spatio-temporal representativeness and ensuring the operational reliability of snow monitoring, soil solution sampling and drip flow measurements. Threats include environmental pressures and hydrometeorological conditions, equipment tampering and funding stability. Nevertheless, this comprehensive approach improves monitoring of ecohydrogeological processes in the KCZ, promotes interdisciplinary collaboration and environmental resource management.
Ključne besede: Karst, integrated monitoring, interdisciplinary strategy, hydrological processes, environmental management, ecohydrology
Objavljeno v DiRROS: 21.03.2026; Ogledov: 424; Prenosov: 412
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5. Izcedne talne vode kot potencialni vir informacij o biotski pestrosti talNejc Suban, Nataša Šibanc, Tijana Martinović, Nataša Ravbar, Metka Petrič, Uroš Novak, Janez Kermavnar, Lado Kutnar, Aleksander Marinšek, Daniel Žlindra, Blaž Kogovšek, Erika Kozamernik, Cyril Mayaud, Tanja Pipan, David Štefanič, Sara Skok, Janez Mulec, Stanka Šebela, Urša Vilhar, Tine Grebenc, 2025, objavljeni povzetek znanstvenega prispevka na konferenci Ključne besede: okoljska DNK, talna biodiverziteta, talni nevretenčarji, izcedna voda, kiti za ekstrakcijo DNK
Objavljeno v DiRROS: 05.06.2025; Ogledov: 1128; Prenosov: 455
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6. GeoNetwork platforma za kraške multidisciplinarne (meta)podatkeMagdalena Aljančič, Žan Kafol, Tanja Pipan, Stanka Šebela, Jasmina Čeligoj Biščak, 2024, druge monografije in druga zaključena dela Ključne besede: odprta znanost, metapodatki, kras, FAIR, Geonetwork, multidisciplinarni podatki
Objavljeno v DiRROS: 06.05.2025; Ogledov: 984; Prenosov: 589
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